MAF Sensor gone bad anyone??

Has anyone here had their MAF sensor go Bad? I've been having my Check VSC / Traction Control / Check Engine Light go on for several months now, at first i thought it was my Right Passenger O2 Sensor, and it was.. but after Toyota did a check up on my car they told me it was both O2 Sensor and MAF Sensor. I had my own mechanic fix the O2 Sensor already and he told me that was the only issue his scanner was bringing up, few days later the lights came back so im pretty positive its the MAF sensor as well although my mechanic did not. Toyota wanted 500$ to install and replace the O2 Sensor and about 300$ to install and replace the MAF Sensor, of course i just took it back. And yes I took it to Toyota, not Lexus, Since most Toyota dealers are generally cheaper than Lexus Dealers, but yet still really expensive..

I also read on a MY.IS thread same guy having this problem, except the dealer blamed the intake and exhaust.. I've had a full catback exhaust before and intake as well.. either the Dealer was BSing or they were right.

I plan on buying the MAF sensor from sewell.

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__________________Haruhiko Tanahashi(Chief engineer):"when I was thinking of the LFA's character I was thinking of the whole women. A woman can be passionate and elegant, but she is also capable of being quite exciting and has a need to be dominated"

I just got back from my Mechanic but his scanner still doesn't show anything about the MAF Sensor, i got some catalytic converter codes showing up though according to him. Either Toyota lied or his scanner isn't as accurate as the dealers (AutoEnginuity) He told me to just go to Longo Lexus and he said that the catalytic converter should be covered under the 70K Power Train warranty since its a Federal Emission thing or something like that.. Not sure what he meant by that. I still have my Cats and everything as well never removed them. I don't feel like paying almost 200$ just for Longo to scan for the codes.. which only takes minutes..

I could try cleaning it though, maybe that will get the lights to go off.. hopefully..

__________________Haruhiko Tanahashi(Chief engineer):"when I was thinking of the LFA's character I was thinking of the whole women. A woman can be passionate and elegant, but she is also capable of being quite exciting and has a need to be dominated"